/*! * jQuery UI Accordion 1.13.3 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license */ //>>label: Accordion //>>group: Widgets /* eslint-disable max-len */ //>>description: Displays collapsible content panels for presenting information in a limited amount of space. /* eslint-enable max-len */ //>>docs: https://api.jqueryui.com/accordion/ //>>demos: https://jqueryui.com/accordion/ //>>css.structure: ../../themes/base/core.css //>>css.structure: ../../themes/base/accordion.css //>>css.theme: ../../themes/base/theme.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "../version", "../keycode", "../unique-id", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; return $.widget( "ui.accordion", { version: "1.13.3", options: { active: 0, animate: {}, classes: { "ui-accordion-header": "ui-corner-top", "ui-accordion-header-collapsed": "ui-corner-all", "ui-accordion-content": "ui-corner-bottom" }, collapsible: false, event: "click", header: function( elem ) { return elem.find( "> li > :first-child" ).add( elem.find( "> :not(li)" ).even() ); }, heightStyle: "auto", icons: { activeHeader: "ui-icon-triangle-1-s", header: "ui-icon-triangle-1-e" }, // Callbacks activate: null, beforeActivate: null }, hideProps: { borderTopWidth: "hide", borderBottomWidth: "hide", paddingTop: "hide", paddingBottom: "hide", height: "hide" }, showProps: { borderTopWidth: "show", borderBottomWidth: "show", paddingTop: "show", paddingBottom: "show", height: "show" }, _create: function() { var options = this.options; this.prevShow = this.prevHide = $(); this._addClass( "ui-accordion", "ui-widget ui-helper-reset" ); this.element.attr( "role", "tablist" ); // Don't allow collapsible: false and active: false / null if ( !options.collapsible && ( options.active === false || options.active == null ) ) { options.active = 0; } this._processPanels(); // handle negative values if ( options.active < 0 ) { options.active += this.headers.length; } this._refresh(); }, _getCreateEventData: function() { return { header: this.active, panel: !this.active.length ? $() : this.active.next() }; }, _createIcons: function() { var icon, children, icons = this.options.icons; if ( icons ) { icon = $( "<span>" ); this._addClass( icon, "ui-accordion-header-icon", "ui-icon " + icons.header ); icon.prependTo( this.headers ); children = this.active.children( ".ui-accordion-header-icon" ); this._removeClass( children, icons.header ) ._addClass( children, null, icons.activeHeader ) ._addClass( this.headers, "ui-accordion-icons" ); } }, _destroyIcons: function() { this._removeClass( this.headers, "ui-accordion-icons" ); this.headers.children( ".ui-accordion-header-icon" ).remove(); }, _destroy: function() { var contents; // Clean up main element this.element.removeAttr( "role" ); // Clean up headers this.headers .removeAttr( "role aria-expanded aria-selected aria-controls tabIndex" ) .removeUniqueId(); this._destroyIcons(); // Clean up content panels contents = this.headers.next() .css( "display", "" ) .removeAttr( "role aria-hidden aria-labelledby" ) .removeUniqueId(); if ( this.options.heightStyle !== "content" ) { contents.css( "height", "" ); } }, _setOption: function( key, value ) { if ( key === "active" ) { // _activate() will handle invalid values and update this.options this._activate( value ); return; } if ( key === "event" ) { if ( this.options.event ) { this._off( this.headers, this.options.event ); } this._setupEvents( value ); } this._super( key, value ); // Setting collapsible: false while collapsed; open first panel if ( key === "collapsible" && !value && this.options.active === false ) { this._activate( 0 ); } if ( key === "icons" ) { this._destroyIcons(); if ( value ) { this._createIcons(); } } }, _setOptionDisabled: function( value ) { this._super( value ); this.element.attr( "aria-disabled", value ); // Support: IE8 Only // #5332 / #6059 - opacity doesn't cascade to positioned elements in IE // so we need to add the disabled class to the headers and panels this._toggleClass( null, "ui-state-disabled", !!value ); this._toggleClass( this.headers.add( this.headers.next() ), null, "ui-state-disabled", !!value ); }, _keydown: function( event ) { if ( event.altKey || event.ctrlKey ) { return; } var keyCode = $.ui.keyCode, length = this.headers.length, currentIndex = this.headers.index( event.target ), toFocus = false; switch ( event.keyCode ) { case keyCode.RIGHT: case keyCode.DOWN: toFocus = this.headers[ ( currentIndex + 1 ) % length ]; break; case keyCode.LEFT: case keyCode.UP: toFocus = this.headers[ ( currentIndex - 1 + length ) % length ]; break; case keyCode.SPACE: case keyCode.ENTER: this._eventHandler( event ); break; case keyCode.HOME: toFocus = this.headers[ 0 ]; break; case keyCode.END: toFocus = this.headers[ length - 1 ]; break; } if ( toFocus ) { $( event.target ).attr( "tabIndex", -1 ); $( toFocus ).attr( "tabIndex", 0 ); $( toFocus ).trigger( "focus" ); event.preventDefault(); } }, _panelKeyDown: function( event ) { if ( event.keyCode === $.ui.keyCode.UP && event.ctrlKey ) { $( event.currentTarget ).prev().trigger( "focus" ); } }, refresh: function() { var options = this.options; this._processPanels(); // Was collapsed or no panel if ( ( options.active === false && options.collapsible === true ) || !this.headers.length ) { options.active = false; this.active = $(); // active false only when collapsible is true } else if ( options.active === false ) { this._activate( 0 ); // was active, but active panel is gone } else if ( this.active.length && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) { // all remaining panel are disabled if ( this.headers.length === this.headers.find( ".ui-state-disabled" ).length ) { options.active = false; this.active = $(); // activate previous panel } else { this._activate( Math.max( 0, options.active - 1 ) ); } // was active, active panel still exists } else { // make sure active index is correct options.active = this.headers.index( this.active ); } this._destroyIcons(); this._refresh(); }, _processPanels: function() { var prevHeaders = this.headers, prevPanels = this.panels; if ( typeof this.options.header === "function" ) { this.headers = this.options.header( this.element ); } else { this.headers = this.element.find( this.options.header ); } this._addClass( this.headers, "ui-accordion-header ui-accordion-header-collapsed", "ui-state-default" ); this.panels = this.headers.next().filter( ":not(.ui-accordion-content-active)" ).hide(); this._addClass( this.panels, "ui-accordion-content", "ui-helper-reset ui-widget-content" ); // Avoid memory leaks (#10056) if ( prevPanels ) { this._off( prevHeaders.not( this.headers ) ); this._off( prevPanels.not( this.panels ) ); } }, _refresh: function() { var maxHeight, options = this.options, heightStyle = options.heightStyle, parent = this.element.parent(); this.active = this._findActive( options.active ); this._addClass( this.active, "ui-accordion-header-active", "ui-state-active" ) ._removeClass( this.active, "ui-accordion-header-collapsed" ); this._addClass( this.active.next(), "ui-accordion-content-active" ); this.active.next().show(); this.headers .attr( "role", "tab" ) .each( function() { var header = $( this ), headerId = header.uniqueId().attr( "id" ), panel = header.next(), panelId = panel.uniqueId().attr( "id" ); header.attr( "aria-controls", panelId ); panel.attr( "aria-labelledby", headerId ); } ) .next() .attr( "role", "tabpanel" ); this.headers .not( this.active ) .attr( { "aria-selected": "false", "aria-expanded": "false", tabIndex: -1 } ) .next() .attr( { "aria-hidden": "true" } ) .hide(); // Make sure at least one header is in the tab order if ( !this.active.length ) { this.headers.eq( 0 ).attr( "tabIndex", 0 ); } else { this.active.attr( { "aria-selected": "true", "aria-expanded": "true", tabIndex: 0 } ) .next() .attr( { "aria-hidden": "false" } ); } this._createIcons(); this._setupEvents( options.event ); if ( heightStyle === "fill" ) { maxHeight = parent.height(); this.element.siblings( ":visible" ).each( function() { var elem = $( this ), position = elem.css( "position" ); if ( position === "absolute" || position === "fixed" ) { return; } maxHeight -= elem.outerHeight( true ); } ); this.headers.each( function() { maxHeight -= $( this ).outerHeight( true ); } ); this.headers.next() .each( function() { $( this ).height( Math.max( 0, maxHeight - $( this ).innerHeight() + $( this ).height() ) ); } ) .css( "overflow", "auto" ); } else if ( heightStyle === "auto" ) { maxHeight = 0; this.headers.next() .each( function() { var isVisible = $( this ).is( ":visible" ); if ( !isVisible ) { $( this ).show(); } maxHeight = Math.max( maxHeight, $( this ).css( "height", "" ).height() ); if ( !isVisible ) { $( this ).hide(); } } ) .height( maxHeight ); } }, _activate: function( index ) { var active = this._findActive( index )[ 0 ]; // Trying to activate the already active panel if ( active === this.active[ 0 ] ) { return; } // Trying to collapse, simulate a click on the currently active header active = active || this.active[ 0 ]; this._eventHandler( { target: active, currentTarget: active, preventDefault: $.noop } ); }, _findActive: function( selector ) { return typeof selector === "number" ? this.headers.eq( selector ) : $(); }, _setupEvents: function( event ) { var events = { keydown: "_keydown" }; if ( event ) { $.each( event.split( " " ), function( index, eventName ) { events[ eventName ] = "_eventHandler"; } ); } this._off( this.headers.add( this.headers.next() ) ); this._on( this.headers, events ); this._on( this.headers.next(), { keydown: "_panelKeyDown" } ); this._hoverable( this.headers ); this._focusable( this.headers ); }, _eventHandler: function( event ) { var activeChildren, clickedChildren, options = this.options, active = this.active, clicked = $( event.currentTarget ), clickedIsActive = clicked[ 0 ] === active[ 0 ], collapsing = clickedIsActive && options.collapsible, toShow = collapsing ? $() : clicked.next(), toHide = active.next(), eventData = { oldHeader: active, oldPanel: toHide, newHeader: collapsing ? $() : clicked, newPanel: toShow }; event.preventDefault(); if ( // click on active header, but not collapsible ( clickedIsActive && !options.collapsible ) || // allow canceling activation ( this._trigger( "beforeActivate", event, eventData ) === false ) ) { return; } options.active = collapsing ? false : this.headers.index( clicked ); // When the call to ._toggle() comes after the class changes // it causes a very odd bug in IE 8 (see #6720) this.active = clickedIsActive ? $() : clicked; this._toggle( eventData ); // Switch classes // corner classes on the previously active header stay after the animation this._removeClass( active, "ui-accordion-header-active", "ui-state-active" ); if ( options.icons ) { activeChildren = active.children( ".ui-accordion-header-icon" ); this._removeClass( activeChildren, null, options.icons.activeHeader ) ._addClass( activeChildren, null, options.icons.header ); } if ( !clickedIsActive ) { this._removeClass( clicked, "ui-accordion-header-collapsed" ) ._addClass( clicked, "ui-accordion-header-active", "ui-state-active" ); if ( options.icons ) { clickedChildren = clicked.children( ".ui-accordion-header-icon" ); this._removeClass( clickedChildren, null, options.icons.header ) ._addClass( clickedChildren, null, options.icons.activeHeader ); } this._addClass( clicked.next(), "ui-accordion-content-active" ); } }, _toggle: function( data ) { var toShow = data.newPanel, toHide = this.prevShow.length ? this.prevShow : data.oldPanel; // Handle activating a panel during the animation for another activation this.prevShow.add( this.prevHide ).stop( true, true ); this.prevShow = toShow; this.prevHide = toHide; if ( this.options.animate ) { this._animate( toShow, toHide, data ); } else { toHide.hide(); toShow.show(); this._toggleComplete( data ); } toHide.attr( { "aria-hidden": "true" } ); toHide.prev().attr( { "aria-selected": "false", "aria-expanded": "false" } ); // if we're switching panels, remove the old header from the tab order // if we're opening from collapsed state, remove the previous header from the tab order // if we're collapsing, then keep the collapsing header in the tab order if ( toShow.length && toHide.length ) { toHide.prev().attr( { "tabIndex": -1, "aria-expanded": "false" } ); } else if ( toShow.length ) { this.headers.filter( function() { return parseInt( $( this ).attr( "tabIndex" ), 10 ) === 0; } ) .attr( "tabIndex", -1 ); } toShow .attr( "aria-hidden", "false" ) .prev() .attr( { "aria-selected": "true", "aria-expanded": "true", tabIndex: 0 } ); }, _animate: function( toShow, toHide, data ) { var total, easing, duration, that = this, adjust = 0, boxSizing = toShow.css( "box-sizing" ), down = toShow.length && ( !toHide.length || ( toShow.index() < toHide.index() ) ), animate = this.options.animate || {}, options = down && animate.down || animate, complete = function() { that._toggleComplete( data ); }; if ( typeof options === "number" ) { duration = options; } if ( typeof options === "string" ) { easing = options; } // fall back from options to animation in case of partial down settings easing = easing || options.easing || animate.easing; duration = duration || options.duration || animate.duration; if ( !toHide.length ) { return toShow.animate( this.showProps, duration, easing, complete ); } if ( !toShow.length ) { return toHide.animate( this.hideProps, duration, easing, complete ); } total = toShow.show().outerHeight(); toHide.animate( this.hideProps, { duration: duration, easing: easing, step: function( now, fx ) { fx.now = Math.round( now ); } } ); toShow .hide() .animate( this.showProps, { duration: duration, easing: easing, complete: complete, step: function( now, fx ) { fx.now = Math.round( now ); if ( fx.prop !== "height" ) { if ( boxSizing === "content-box" ) { adjust += fx.now; } } else if ( that.options.heightStyle !== "content" ) { fx.now = Math.round( total - toHide.outerHeight() - adjust ); adjust = 0; } } } ); }, _toggleComplete: function( data ) { var toHide = data.oldPanel, prev = toHide.prev(); this._removeClass( toHide, "ui-accordion-content-active" ); this._removeClass( prev, "ui-accordion-header-active" ) ._addClass( prev, "ui-accordion-header-collapsed" ); // Work around for rendering bug in IE (#5421) if ( toHide.length ) { toHide.parent()[ 0 ].className = toHide.parent()[ 0 ].className; } this._trigger( "activate", null, data ); } } ); } );

ميديا

“ألعاب الواقع الافتراضي: رحلة إلى عوالم تفاعلية غامرة”

يونيو 12, 2025

3٬913 أقل من دقيقة

في هذا التقرير المصور، نأخذك في جولة بصرية داخل عالم ألعاب الواقع الافتراضي (VR)، حيث تندمج التكنولوجيا مع الترفيه لخلق تجارب لا مثيل لها. من خلال نظارات الواقع الافتراضي المتطورة، يمكن للاعبين التفاعل مع بيئات ثلاثية الأبعاد، مما يتيح لهم الانغماس الكامل في الألعاب. سنستعرض أبرز الألعاب المتاحة، مثل “Beat Saber” و”Half-Life: Alyx”، التي تقدم تجارب تفاعلية مبتكرة. كما نسلط الضوء على التحديات التي تواجه هذه التقنية، مثل التكلفة المرتفعة ومشاكل الراحة أثناء الاستخدام الطويل. انضم إلينا لاكتشاف كيف يُعيد الواقع الافتراضي تعريف مفهوم اللعب ويشكل مستقبل صناعة الألعاب.